//
//  UIBarButtonItem+Extensions.swift
//  weibo
//
//  Created by 杨佐堂 on 2019/10/5.
//  Copyright © 2019 yangzuotang. All rights reserved.
//

import UIKit

extension UIBarButtonItem {
    /// 创建 UIBarButtonItem
    ///
    /// - Parameters:
    ///   - title: title
    ///   - fontSize: fontSize 默认16号字体
    ///   - target: target
    ///   - action: action
    ///   - isBack: isBack是否是返回的tab，如果是加上箭头
    ///   - returns: UIBarButtonItem
    convenience init(title:String,fontSize:CGFloat = 16,target:Any?,action:Selector,isBack:Bool = false) {
        let btn:UIButton = UIButton.cz_textButton(title, fontSize: fontSize, normalColor: UIColor.darkGray, highlightedColor: UIColor.orange)
        if isBack {
            let imageName = "navigationbar_back_withtext"
            btn.setImage(UIImage(named: imageName), for: UIControlState(rawValue: 0))
            btn.setImage(UIImage(named: imageName + "_highlighted"), for: .highlighted)
            btn.sizeToFit()
        }
        
        btn.addTarget(target, action:action, for: .touchUpInside)

//        self.init 实例化 UIBarButtonItem
        self.init(customView:btn)
    }
}
